[LINK] News email blunder

[Eric Scheid]

From: Bob Bain <bobb@alt.net> (28/10/00 5:06 PM)

> How does technology inhibit dialling the wrong number given the
>proliferation of personal fax machines ??

Checksums on the phone numbers would get rid of 98% of the typo's, 
although that doesn't eliminate dialling the number of the wrong person 
(vs dialling a wrong number for the right person).

A checksum as simple as that used for ISBNs would be enough. Telcos won't 
like it though.

e.

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